Line gauge



FIG. 1 is a front view of an embodiment of a transparent line gauge with indicia on a front face;

FIG. 2 is a side view of the FIG. 1 embodiment of the line gauge;

FIG. 3 is a rear view of the line gauge illustrated in FIG. 1;

FIG. 4 is an enlarged view of a portion of the side view of the FIG. 1 embodiment of the line gauge;

FIG. 5 is an enlarged view of a left-side portion of the front view; and,

FIG. 6 is an enlarged view of a right-side portion of the front view of the FIG. 1 embodiment of the line gauge.

The broken line showing of boundary is included for the purpose of illustrating non-claimed subject matter and forms no part of the claimed design. 

The ornamental design for a line gauge, as shown and described. 